一套用于土壤采样的钻探设备通常是2 3/4“ AMS 301.67的扩展

Depths of sampling: 8'

These soil augers use snap pins to lock the cross handle, two concentric extendable extension pieces, and the bucket auger together.

It is designed for easy transport and storage. 

Diameter: 2 3/4"

Length: 5' 4"  (when not extended)

The soil auger heads have a stainless steel cylinder and high carbon steel bits with a tungsten carbide hard surfaced cutting edge.

Weight: 7.2 lb